negative (redirected from Negative (disambiguation))

negative /neg·a·tive/ (neg´ah-tiv)

1. having a value less than zero.

2. indicating absence, as of a condition or organism.

3. characterized by refusal, denial, resistance, or opposition.

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neg·a·tive (ng-tv)

adj.

1. Expressing, containing, or consisting of a negation, refusal, or denial.

2. Marked by failure of response or absence of a reaction.

3. Not indicating the presence of microorganisms, disease, or a specific condition.

4. Moving or turning away from a stimulus, such as light.

5. Relating to or designating an electric charge of the same sign as that of an electron.

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negative

1. having a value of less than zero.

2. indicating lack or absence, as coagulase-negative or Brucella-negative.

3. characterized by denial or opposition.

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negative feedback

see feedback.

negative reinforcement

in animal psychology the stimuli which produce withdrawal, immobility, aversion, escape.

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negative noun Lab medicine A lab result that is normal; failure to show a positive result for the specific disease or condition for which the test is being done. See False negative, Hemoccult negative, True negative Vox populi Absence or nonexistence of a thing.